Verifications.io - 2.07 billion records affected: Another unsecured database was discovered by Bob Diachenko in February 2019.Dubbed “Collection #1”, it appeared the data had been collected over a number of years and included usernames and passwords. Hackers dumped the stolen records on the dark web in 2019 in an attempt to sell them.
2.2 billion records affected: More than 2.2bn records were stolen from across a number of large websites, including Dropbox and LinkedIn. These updated figures make it the largest breach in US history. But in 2017, it updated this to say it believed all 3bn of its users’ accounts had been impacted. In its initial acknowledgment of the breach, which was only in December 2016, Yahoo said 1bn user accounts had been affected. Yahoo - 3 billion records affected: In August 2013, hackers attacked Yahoo and compromised user accounts.Included within the 5bn records were names, passwords, email addresses, and the original source of the leak. It formed part of its cyber intelligence service, which would alert users if their data was part of third-party data exposure. Ironically, the database was stored by cybersecurity analytics firm, Cognyte. Cognyte - 5 billion records affected: In May 2021, Bob Diachenko, who leads Comparitech’s security research team, discovered an exposed database that was accessible to all users without any form of authentication.CAM4 said there was no indication bad actors had accessed the database before it was taken down. Experts believe around 6.6m US users, 5.4m Brazilian users, 4.9m Italian users, and 4.2m French users were part of the breach. Names, email addresses, payment logs, IP addresses, sexual preferences, and chat transcripts were all part of the data set. The data was made up of 7TB of data–a total of 10.88 billion records. CAM4 - 10.88 billion records affected: In the biggest-ever breach of data, CAM4, an adult website, left an ElasticSearch database unsecured before it was found by security researchers in March 2020.The top 10 biggest data breaches of all time laptop), Rans (loss of data via a ransomware attack), and Unknwn (unknown source of data loss). leaving a database unsecured), Hack (attacked by an external source or with malware), Insd (theft by an employee, contract, or third-party), Port (loss or theft of a portable device, e.g. Breach type definitions: Disc (unintentional disclosure, e.g.
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